IBM 2274 - Manual (Page 138)

104 IBM Desktop System HMM
System Board
• Remove all adapter cards.
• Disconnect all cables connected to the system
board. Note the location and orientation of all
cables.
• Remove the screws securing the system board to
the chassis.
• Lift the system board to remove from chassis.
• Remove memory (DIMM) if applicable.
• Remove processor if necessary.
NOTE: System Board Installation
• Before reinstallation, position the housing on its
side. When installing a new system board, push
the board to the rear and align it with the front
locating pin. Visually verify that the board is
aligned properly, then press the board down.
• Be sure to reinstall the processor, DIMMs, I/O port
bracket onto the new system board if applicable.
• After installing the system board, secure with
original screws.
• Change all jumper settings to match those of the
original board.
• Reinstall other components into the machine i.e.
drives, power supply, cables, etc.